Convert GPX (.gpx) to ESRI (.shp) shapefile

Cetus GPS is the Swiss Army Knife of GPS tracking and field data collection.

Movin Gmap adds moving map functionality for Google Maps using a connected GPS unit

“Foundcity is an urban bookmarking tool. It allows everyone in a city to mark the interesting things they discover throughout the day to a dynamic, online map”

An unofficial Google Maps blog tracking the websites, ideas and tools being influenced by Google Maps